The majority of books (in paper) are on the second floor of Haselwood Library. Philosophy encyclopedias are on the first floor in the Reference Area. You can browse in the following sections.
110 Metaphysics
120 Epistemology
140 Philosophical schools of thought
160 Philosophical logic
170 Ethics
180 Ancient, medieval, & Eastern philosophy
190 Modern Western philosophy (19th-century, 20th-century
and
210 Philosophy & theory of religion
When searching for books, it's best to use only one or two keywords, even if your topic is more complex. To find variant endings a keyword, use an asterisk (*). For example, "ethic*" will find records with the word "ethic", ethical", "ethics."